2. -Attaching metal with solder -Adhesion

3. -Alloy of lead & tin- used in soft soldering- low melting point

4. -Chemically cleans metal so solder will stick to metal

5. -Used to solder electrical wires

6. -Used to solder solid wire -Plugs into electrical outlet, unplug iron when not soldering. -Test to see if it is ready to solder with a piece of solder.

7. -Used to solder sheet metal -Used along with soldering furnace

8. -To clean the tip of the soldering device and applying a thin coat of solder. – makes it shiny

9. -Used to heat up soldering coppers -Natural Gas